Vibration test tool for electrical insulating material

By designing a mounting base and slider structure on the vibration table, the problem of uneven force in the vibration test of electrical insulation materials is solved, ensuring the stability of the sample during the vibration process and the test accuracy, and improving the test efficiency and applicability of the device.

CN223449884UActive Publication Date: 2025-10-17SHANGHAI JIANKE TECHN ASSESSMENT OF CONSTR
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Patent Information

Application Number
CN202422854750.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-17
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

In vibration tests of electrical insulation materials, due to slight dimensional deviations in sample height, using a pressure plate to fix the sample can easily lead to uneven force, causing sample damage or loosening, and affecting the accuracy of the test results.

Method used

A vibration test fixture is designed. By fixing a mounting base on the vibration table, opening mounting holes on the mounting base corresponding to the sample through holes, and fixing the samples one by one with bolts, combined with sliding bars, partitions and anti-slip structures, the stability of the samples during vibration is ensured and the test fixture can be adapted to samples of different sizes.

Benefits of technology

It achieves stable fixation of samples during vibration tests, avoids coil damage, improves test efficiency and application scope, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of vibration tests, in particular to a vibration test tool for electrical insulating materials, which comprises a vibration table, a mounting seat is fixedly connected to the table top of the vibration table, a plurality of groups of mounting holes for mounting bolts are formed in the mounting seat, and the mounting holes are formed in the mounting seat at intervals. One end of each bolt penetrates through the corresponding through hole and then is in threaded connection with the interior of the corresponding mounting hole. The mounting seat matched with the table top of the vibration table is manufactured, then the mounting holes are formed in the positions, corresponding to the through holes in the sample, of the mounting seat, and the sample is fixed to the mounting seat after the bolts penetrate through the through holes and the mounting holes, so that the sample is firmly mounted on the vibration table, and it is ensured that in the vibration test process, the sample cannot be damaged. The coil of the sample is not subjected to any external force, so that the integrity of the sample is ensured, and the mounting stability of the sample is also ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vibration test, in particular to a vibration test tool for electrical insulation materials. BACKGROUND

[0002] In the past vibration test of electrical insulation materials, a vibration table is usually used, that is, a long strip-shaped pressing plate is customized through a plurality of threaded holes preset on the table surface of the vibration table, a plurality of samples are then placed on the table surface of the vibration table at intervals, the samples are pressed tightly through the pressing plate, the pressing plate is fixed to the table surface through bolts, and the vibration test of the samples is completed through the vibration of the table surface of the vibration table to drive the synchronous vibration of the plurality of samples.

[0003] As shown in the prior art, a nuclear coil sample structure includes a bottom plate 10, through holes 20 are formed at both ends of the length direction of the bottom plate 10, and a coil 30 is fixed on the bottom plate 10. Figure 1 For the vibration test of the above sample, the sample is fixed on the vibration table 1 by pressing the coil 30 from above through the pressing plate and then locking the pressing plate through the bolts, the overall installation structure is simple and convenient, and no tool needs to be customized for the structure of the sample.

[0004] However, in actual use, since the height of each sample has a slight size deviation during production, if a plurality of samples are fixed at one time by using the pressing plate, the force on each sample is not uniform, that is, one or more samples with larger size under one pressing plate are subjected to greater force, and there is a gap between one or more samples with smaller size and the pressing plate, after a certain period of time, the coil 30 in the sample subjected to greater force is at risk of damage, and the sample subjected to smaller force is at risk of loosening and displacement during the vibration process, affecting the accuracy of the test results. Content of the utility model

[0005] In order to solve the problem that the size deviation of the sample restricts the use of the pressing plate to fix the sample, the force on the plurality of samples corresponding to one pressing plate is not uniform, the sample is easily damaged, and the test results are easily affected, the present application provides a vibration test tool for electrical insulation materials.

[0006] The vibration test tool for electrical insulation materials provided by the present application adopts the following technical scheme:

[0007] A vibration test tool for electrical insulation material, comprising a vibration table, a mounting seat is fixedly connected to the table top of the vibration table, mounting holes for mounting bolts are formed in the mounting seat, the mounting holes are formed in groups, and the mounting holes in the groups are arranged at intervals on the mounting seat, the mounting holes are arranged in one-to-one correspondence with through holes, and one end of the bolt is threadedly connected in the mounting hole after passing through the through hole.

[0008] By adopting the above technical scheme, during use, the customized mounting seat is fixed on the table top of the vibration table, then mounting holes are formed in the mounting seat according to the size of the sample and the spacing between the two through holes on the bottom plate, so that before the vibration test, a plurality of samples are fixed one by one on the mounting seat through bolts, thereby ensuring the stability of the plurality of samples during the vibration test, avoiding the risk of damage to the coil part on the sample, and through reasonable design of the position of the mounting hole, the test can be maximally installed, and the efficiency is improved.

[0009] Preferably, the mounting seat comprises a fixed frame fixedly connected to the vibration table, and a slide strip arranged on the fixed frame, the slide strip is arranged in groups, and the slide strips in the groups are uniformly distributed at intervals along the length direction of the fixed frame, a placement area for placing the sample is formed between the adjacent two slide strips, and the mounting holes in the groups are uniformly arranged at intervals along the width direction of the fixed frame on the slide strip.

[0010] By adopting the above technical scheme, during use, through the cooperation of the slide strip and the fixed frame, the overall structural strength of the mounting seat is ensured, and the processing cost of the mounting seat is saved.

[0011] Preferably, the fixed frame is fixed with a partition plate, the partition plate is arranged in a plurality of groups, and the partition plates in the groups are uniformly distributed at intervals along the length direction of the fixed frame, a placement groove is formed between the adjacent two partition plates, the slide strip and the placement groove form an embedded cooperation, and the fixed frame is provided with an anti-disengagement structure for preventing the slide strip from disengaging from the placement groove.

[0012] By adopting the above technical scheme, during use, by arranging a plurality of partition plates, the slide strip is placed into the placement grooves at different positions, the spacing between the adjacent two slide strips is changed, and different sizes of test samples are adapted for installation, and the use is more convenient.

[0013] Preferably, the anti-disengagement structure comprises a pressing frame detachably connected to the fixed frame, the pressing frame is fixed with a pressing block, the pressing block is arranged in a plurality of groups, and the pressing blocks in the groups are arranged in one-to-one correspondence with the placement grooves, and the pressing block is embedded in the placement groove and abuts against the slide strip in cooperation.

[0014] By adopting the technical scheme, when in use, the slide is adjusted to a specified position, then the slide is pressed in the placing groove through cooperation of the pressing frame and the pressing block, so as to fix the slide.

[0015] Preferably, the pressing frame is provided with a first magnetic strip, the fixed frame is provided with a second magnetic strip, and the first magnetic strip and the second magnetic strip are magnetically attracted to each other.

[0016] By adopting the technical scheme, when in use, the first magnetic strip and the second magnetic strip are magnetically attracted to each other, so that the pressing frame is conveniently disassembled, and the device is more convenient to use.

[0017] Preferably, the anti-disengagement structure comprises a bolt penetrating the fixed frame, a locking nut arranged on the bolt, a first positioning hole arranged on the partition plate, and a second positioning hole arranged on the slide, and one end of the bolt penetrates the first positioning hole and the second positioning hole in sequence and is threadedly connected with the locking nut.

[0018] By adopting the technical scheme, when in use, the slide is placed at a specified position, the second positioning hole is aligned with the first positioning hole, then the bolt is penetrated into the first positioning hole and the second positioning hole, and the locking nut is locked, so as to fix the slide, and the use process is simple and convenient.

[0019] Preferably, the slide is arranged on the fixed frame in a sliding manner along the length direction of the fixed frame, and the slide is provided with a positioning structure for positioning the slide.

[0020] By adopting the technical scheme, when in use, the position of the slide is changed by sliding the slide, so as to change the distance between two adjacent slides, and after adjustment, the positioning structure is used for positioning, so as to install samples of different sizes, and the use process is more convenient.

[0021] Preferably, the positioning structure comprises a connecting plate fixed on the slide and a positioning bolt penetrating the connecting plate, and one end of the positioning bolt is in abutting cooperation with the side wall of the fixed frame after penetrating the connecting plate.

[0022] By adopting the technical scheme, when the slide is slid to a specified position, the positioning bolt is screwed, so that the end of the positioning bolt is tightly abutted against the side wall of the fixed frame, so as to fix the slide.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By fixing the customized mounting seat on the table surface of the vibration table, then according to the size of the sample and the distance between the two through holes on the bottom plate, the mounting holes are opened on the mounting seat, so that before the vibration test, a plurality of samples are fixed on the mounting seat one by one through bolts, so as to realize that in the process of vibration test, under the premise of ensuring the stability of the fixation of a plurality of samples, the risk of damage to the coil part on the sample is avoided, at the same time, through reasonable design of the position of the mounting hole, the test can be installed to the maximum, and the efficiency is improved;

[0025] 2. By the cooperation of the several partitions, the pressing frame, the sliding bar and the fixed frame, under the premise of ensuring the stability of the sample installation, different sizes of samples are realized, the use is simple, and the overall application range of the device is increased;

[0026] 3. The position of the sliding bar is changed, and the sliding bar is positioned by cooperating with the use of the abutting bolt, so that the overall adjustment mode is more simple. DETAILED DESCRIPTION

[0027] Figure 1 is the main embodiment of the sample structure in the background art of the present application;

[0028] Figure 2 is the main embodiment of the overall structure in the first embodiment of the present application;

[0029] Figure 3 is the main embodiment of the overall structure in the first embodiment of the present application;

[0030] Figure 4 is the main embodiment of the overall structure in the second embodiment of the present application;

[0031] Figure 5 is the main embodiment of the overall structure in the second embodiment of the present application;

[0032] Figure 6 is the main embodiment of the overall structure in the second embodiment of the present application;

[0033] Figure 7 is the main embodiment of the overall structure in the third embodiment of the present application;

[0034] Figure 8 is the main embodiment of the overall structure in the third embodiment of the present application;

[0035] Figure 9 is the main embodiment of the overall structure in the fourth embodiment of the present application;

[0036] Figure 10 is the main embodiment of the overall structure in the fourth embodiment of the present application.

[0037] 1, vibration table; 2, mounting seat; 21, mounting hole; 22, fixed frame; 23, sliding bar; 24, second positioning hole; 3, partition; 31, first positioning hole; 4, placing groove; 5, anti-dropping structure; 51, pressing frame; 52, pressing block; 53, bolt; 54, locking nut; 6, first magnetic strip; 7, second magnetic strip; 8, sliding rail; 9, positioning structure; 91, connecting plate; 92, positioning bolt; 10, bottom plate; 20, through hole; 30, coil. DETAILED DESCRIPTION

[0038] The following will be described in detail below with reference to the accompanying drawings. Figure 2 - the accompanying drawings Figure 10 The application will be further described in detail.

[0039] The embodiment of the application discloses a vibration test tool for electrical insulation materials.

[0040] Embodiment 1:

[0041] Referring to Figure 2 and Figure 3 , a vibration test tool for electrical insulation materials, comprising a vibration table 1 arranged horizontally, a mounting seat 2 is arranged on the table top of the vibration table 1, in this embodiment, the mounting seat 2 is made of an alloy plate with certain rigidity, mounting holes 21 are formed on the mounting seat 2 according to the size of the sample, internal threads for connecting bolts are arranged in the mounting holes 21, the mounting holes 21 are arranged in several groups, and the several groups of mounting holes 21 are arranged on the mounting seat 2 at intervals, each group of mounting holes 21 contains two holes, and is arranged one-to-one corresponding to two through holes 20 on the sample bottom plate 10.

[0042] Referring to Figure 2 and Figure 3 , in use, according to the preset threaded hole position on the table top of the vibration table 1, a corresponding hole is opened on the mounting seat 2, and then the bolt is threadedly connected in the threaded hole of the vibration table 1 after penetrating through the mounting seat 2, so as to realize the fixation of the mounting seat 2, then the sample is placed in the corresponding mounting hole 21, and finally the long bolt is threadedly connected in the mounting hole 21 after penetrating through the through hole 20, so as to realize the fixation of the sample; in the subsequent vibration test, it is ensured that the coil 30 part of the sample is not subjected to any external force, so as to ensure the stability of the sample fixation without damaging the sample, at the same time, through the reasonable arrangement of the hole position, more samples can be installed on the mounting seat 2 to the maximum extent, the use is simple, and good economic benefits are also generated.

[0043] Embodiment 2:

[0044] Referring to Figure 4 and Figure 5The difference between the embodiment and embodiment 1 is that the mounting seat 2 is composed of a fixed frame 22 and a sliding strip 23, wherein the fixed frame 22 is fixed on the table top of the vibration table 1 by bolts, a plurality of partitions 3 are welded on the fixed frame 22, the plurality of partitions 3 are evenly arranged along the length direction of the fixed frame 22, and a placing groove 4 is formed between adjacent two partitions 3, and the placing groove 4 is used for embedding the sliding strip 23.

[0045] With reference to Figure 4 and Figure 5 , a plurality of groups of the sliding strips 23 are arranged, and the plurality of groups of the sliding strips 23 are evenly arranged along the length direction of the fixed frame 22, each sliding strip 23 is limited in the horizontal direction through the placing groove 4, a placing area is formed between adjacent two sliding strips 23, the placing area is used for placing a sample, and the mounting hole 21 is arranged on the sliding strip 23, and a plurality of mounting holes 21 are arranged on each sliding strip 23 and evenly distributed along the length direction of the sliding strip 23.

[0046] With reference to Figure 4 and Figure 5 , in use, the position of the sliding strip 23 is adjusted by placing the sliding strip 23 in the placing groove 4 at different positions, so as to change the spacing of the mounting holes 21 on adjacent two sliding strips 23, so that the whole device is suitable for samples of different sizes; the plurality of mounting holes 21 on the sliding strip 23 are conducive to mounting different numbers of samples, in addition, the anti-falling structure 5 is arranged on the fixed frame 22, and the anti-falling structure 5 is used for preventing the sliding strip 23 from slipping out of the placing groove 4 in the vertical direction during the vibration test.

[0047] With reference to Figure 5 and Figure 6 , the anti-falling structure 5 includes a pressing frame 51, and in the embodiment, the size of the pressing frame 51 matches the size of the fixed frame 22, a plurality of pressing blocks 52 are welded on the pressing frame 51, the plurality of pressing blocks 52 are arranged one by one corresponding to the placing grooves 4, when the sliding strip 23 is placed in the placing groove 4, the pressing frame 51 is placed on the fixed frame 22, the pressing blocks 52 are embedded in the placing groove 4, when the pressing frame 51 abuts against the top end surface of the fixed frame 22, the bottom end surface of the pressing block 52 abuts against the upper end surface of the sliding strip 23, so that the sliding strip 23 is pressed in the placing groove 4 through the arrangement of the pressing block 52 and the pressing frame 51.

[0048] With reference to Figure 5 and Figure 6 , meanwhile, a first magnetic strip 6 is embedded and fixed on the bottom surface of the pressing frame 51, a second magnetic strip 7 is fixed on the fixed frame 22, and the first magnetic strip 6 and the second magnetic strip 7 can be magnetically attracted together; in use, when the sliding strip 23 is pressed in the placing groove 4 through the pressing frame 51 and the pressing block 52, the pressing frame 51 is fixed on the fixed frame 22 under the magnetic attraction of the first magnetic strip 6 and the second magnetic strip 7, so as to ensure the stability of the installation of the sliding strip 23, and the use is simple and convenient.

[0049] With reference to Figure 5 and Figure 6 In the embodiment, the first magnetic strip 6 and the second magnetic strip 7 can also be replaced by bolts, that is, after the pressing frame 51 is pressed on the fixed frame 22, the bolts are screwed to be threadedly connected to the fixed frame 22 with one end of the bolts penetrating through the pressing frame 51, so that the fixing of the pressing frame 51 is realized, and the bolt fixing mode increases the fixing stability of the pressing frame 51.

[0050] The implementation principle of the embodiment is that, in use, the fixed frame 22 is first installed on the table top of the vibration table 1, then the position of the slide bar 23 is adjusted according to the size of the sample to be fixed, after the adjustment is completed, the slide bar 23 is horizontally limited by the corresponding partition plates 3 on both sides of the placement groove 4, then the pressing frame 51 is buckled on the fixed frame 22, the pressing block 52 is inserted into the placement groove 4 and abuts against the slide bar 23, and at the same time, when the pressing frame 51 abuts against the fixed frame 22, the pressing frame 51 is fixed under the magnetic attraction of the first magnetic strip 6 and the second magnetic strip 7, so that the vertical direction of the slide bar 23 is fixed through the cooperation of the pressing frame 51 and the pressing block 52, the overall use is simple and convenient, and the overall application range of the device is also improved.

[0051] Embodiment 3

[0052] With reference to Figure 7 and Figure 8 The difference between the embodiment and the embodiment 2 is that, in the embodiment, the anti-disengagement structure 5 is composed of a latch 53 and a locking nut 54, the latch 53 is entirely provided on the fixed frame 22 in the length direction of the fixed frame 22, the locking nut 54 is threadedly matched with the movable end of the latch 53, the first positioning hole 31 is formed in the partition plate 3, and the second positioning hole 24 is formed in the slide bar 23, after the slide bar 23 is placed in the placement groove 4, the first positioning hole 31 and the second positioning hole 24 are aligned, then the latch 53 is slid to make the movable end of the latch 53 pass through the first positioning hole 31 and the second positioning hole 24 in turn and then pass out from the other side of the fixed frame 22, then the locking nut 54 is screwed on the latch 53 until the locking nut 54 abuts against the side wall of the fixed frame 22, so that the fixing of the latch 53 is realized, and the fixing of the slide bar 23 is realized through the latch 53.

[0053] The implementation principle of the embodiment is that, in use, the fixed frame 22 is first installed on the table top of the vibration table 1, then the slide bar 23 is placed in the placement groove 4 in different positions according to the size of the sample to be fixed, so that the spacing between the two adjacent slide bars 23 is adjusted, after the adjustment is completed, the slide bar 23 is horizontally limited by the corresponding partition plates 3 on both sides of the placement groove 4, then the latch 53 is provided on the fixed frame 22 and locked by the locking nut 54, so that the vertical direction of the slide bar 23 is fixed through the latch 53.

[0054] Embodiment 4:

[0055] With reference to Figure 9 and Figure 10 , the difference between the present embodiment and embodiment 2 is that in the present embodiment, the fixed frame 22 is fixedly connected with a sliding rail 8, a sliding groove is formed on the sliding bar 23 corresponding to the sliding rail 8, the sliding bar 23 is slidingly connected on the sliding rail 8, and the sliding direction of the sliding bar 23 is parallel to the length direction of the fixed frame 22. The positioning structure 9 for positioning the sliding bar 23 after sliding is also arranged on the sliding bar 23. In use, the sliding rail 8 is matched with the sliding groove to limit the vertical direction of the sliding bar 23, and the positioning structure 9 limits the horizontal direction of the sliding bar 23, so as to ensure the stability of the sliding rail 8 after being fixed, thereby ensuring that the sliding bar 23 will not be separated from the fixed frame 22 in the vibration test.

[0056] With reference to Figure 9 and Figure 10 , the positioning structure 9 is composed of a connecting plate 91 and a positioning bolt 92. One end of the connecting plate 91 is fixed on the sliding bar 23 through a bolt, and the positioning bolt 92 is arranged on the other end of the connecting plate 91 away from the sliding bar 23, and the movable end of the positioning bolt 92 abuts against the side wall of the fixed frame 22. In use, the positioning bolt 92 is screwed until the end of the positioning bolt 92 abuts against the side wall of the fixed frame 22, so as to position the sliding bar 23 in the horizontal direction. The use is simple and convenient. In order to further ensure the stability of the sliding bar 23 in the horizontal direction, two groups of positioning structures 9 can be arranged, and the two groups of positioning structures 9 are arranged at the ends of the sliding bar 23 in the length direction.

[0057] The implementation principle of the embodiment of the present application is that in use, the fixed frame 22 is first installed on the table surface of the vibration table 1, then the position of the sliding bar 23 is changed by sliding the sliding bar 23 according to the size of the sample to be fixed, so as to adjust the distance between the adjacent two sliding bars 23. After adjustment, the two groups of positioning bolts 92 are screwed to make the ends of the positioning bolts 92 abut against the side wall of the fixed frame 22, so as to fix the sliding bar 23 in the horizontal direction. In combination with the sliding rail 8 limiting the vertical direction of the sliding bar 23, the stability of the sliding bar 23 during the vibration test is ensured, and the stability of the sample installation is further ensured. The overall adjustment is more simple and convenient.

[0058] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made on the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A vibration test tool for electrical insulation materials, characterized by: The invention comprises a vibration table (1), wherein a mounting seat (2) is fixedly connected to the table surface of the vibration table (1), and the mounting seat (2) is provided with mounting holes (21) for mounting bolts. The mounting holes (21) are provided in a plurality of groups, and the plurality of groups of mounting holes (21) are arranged at intervals on the mounting seat (2). The mounting holes (21) are arranged in a one-to-one correspondence with the through holes (20), and one end of the bolt passes through the through hole (20) and is threadedly connected to the mounting hole (21).

2. A vibration test tool for electrical insulation materials according to claim 1, characterized in that: The mounting base (2) comprises a fixed frame (22) fixedly connected to the vibration table (1), and a slide bar (23) arranged on the fixed frame (22), wherein the slide bar (23) is provided in a plurality of groups, and the plurality of groups of slide bars (23) are evenly spaced along the length direction of the fixed frame (22), and a placement area for placing a sample is formed between two adjacent slide bars (23), and the plurality of groups of mounting holes (21) are evenly spaced along the width direction of the fixed frame (22) on the slide bar (23).

3. The vibration test tool for electrical insulation materials according to claim 2, characterized in that: A partition (3) is fixed on the fixed frame (22), and a plurality of the partitions (3) are provided, and the plurality of the partitions (3) are evenly spaced along the length direction of the fixed frame (22), and a placement groove (4) is formed between two adjacent partitions (3). The slide bar (23) is embedded in the placement groove (4), and an anti-slip structure (5) is provided on the fixed frame (22) for preventing the slide bar (23) from escaping from the placement groove (4).

4. The vibration test tool for electrical insulation materials according to claim 3, characterized in that: The anti-slip structure (5) comprises a pressing frame (51) detachably connected to the fixing frame (22), a pressing block (52) being fixed on the pressing frame (51), a plurality of pressing blocks (52) being provided, and the plurality of pressing blocks (52) being provided in a one-to-one correspondence with the placement grooves (4), the pressing blocks (52) being embedded in the placement grooves (4) and abutting against the slide bar (23).

5. The vibration test tool for electrical insulation materials according to claim 4, characterized in that: The pressing frame (51) is provided with a first magnetic strip (6), and the fixing frame (22) is provided with a second magnetic strip (7), and the first magnetic strip (6) and the second magnetic strip (7) are magnetically engaged with each other.

6. The vibration test tool for electrical insulation materials according to claim 3, characterized in that: The anti-slip structure (5) comprises a latch (53) passed through the fixing frame (22) and a locking nut (54) arranged on the latch (53); a first positioning hole (31) is provided on the partition (3); a second positioning hole (24) is provided on the slide bar (23); one end of the latch (53) passes through the first positioning hole (31) and the second positioning hole (24) in sequence and is then threadedly connected to the locking nut (54).

7. The vibration test tool for electrical insulation materials according to claim 2, characterized in that: The slide bar (23) is slidably arranged on the fixed frame (22) along the length direction of the fixed frame (22), and a positioning structure (9) for positioning the slide bar (23) is provided on the slide bar (23).

8. The vibration test tool for electrical insulation materials according to claim 7, characterized in that: The positioning structure (9) comprises a connecting plate (91) fixed on the slide bar (23) and a positioning bolt (92) passing through the connecting plate (91); one end of the positioning bolt (92) passes through the connecting plate (91) and abuts against the side wall of the fixed frame (22).